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Cell phones are extremely sophisticated radios that work by simultaneously sending and receiving signals from cell phone towers, or base stations.

Mobile phone - Wikipedia

en.wikipedia.org/wiki/Mobile_phone

A mobile phone is a portable telephone that can make and receive calls over a radio frequency .... Cellphones have small speakers so that the user can use a speakerphone .... Use of mobile phones al...

How Do Cell Phones Work? | Pong Case by Pong Research

www.pongcase.com/blog/cell-phones-work/

Dec 20, 2014 ... With worldwide mobile subscriptions estimated to be around 7 billion in 2014, cell phones have become a universal and indispensable tool for ...

How Cell Phones Work | HowStuffWorks

electronics.howstuffworks.com/cell-phone.htm

Learn about cell phones, check out our cell phones buying guide, read cell phone ... Make task or to-do lists; Keep track of appointments and set reminders; Use ...

How do cellphones work? - Explain that Stuff

www.explainthatstuff.com/cellphones.html

Apr 10, 2016 ... A simple introduction to cellphones (mobile phones) and how they work.

How do mobile phones work?| Explore | physics.org

www.physics.org/article-questions.asp?id=82

But the really clever invention wasn't the phone itself but the cellular network ... But using cells means that the same frequencies can be re-used by each cell.

www.ask.com/youtube?q=How Do Cell Phones Work?&v=RhOKTHDHtho
Dec 18, 2012 ... An explanation on how cell phones work with my general knowledge and research. By: Raquel Gonzalez.

How a Cell Phone Works

iml.jou.ufl.edu/projects/fall04/keith/Works.htm

"Radio-phone" just didn't stick. A big secret that the cell phone companies have been keeping from the world is that a cell phone is nothing more than a radio.

Overview of Cell Phone Technology

www.mat.ucsb.edu/~g.legrady/academic/courses/03w200a/projects/wireless/cell_technology.htm

The transmissions of a base station and the phones within its cell do not make it .... conversion and its importance to digital audio in How Compact Discs Work.

How Do Cell Phones Work? - The Tech-FAQ

www.tech-faq.com/how-do-cell-phones-work.html

Mar 11, 2016 ... As technology has improved over the past few decades, cell phones have only gotten better and better.Though most people do not stop to ...